EP0675021B1 - Adjustable reflector fination device for a vehicle headlamp - Google Patents

Adjustable reflector fination device for a vehicle headlamp Download PDF

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Publication number
EP0675021B1
EP0675021B1 EP95104276A EP95104276A EP0675021B1 EP 0675021 B1 EP0675021 B1 EP 0675021B1 EP 95104276 A EP95104276 A EP 95104276A EP 95104276 A EP95104276 A EP 95104276A EP 0675021 B1 EP0675021 B1 EP 0675021B1
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EP
European Patent Office
Prior art keywords
reflector
holding element
housing
holder device
resilient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95104276A
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German (de)
French (fr)
Other versions
EP0675021A2 (en
EP0675021A3 (en
Inventor
Peter Heitjohann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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Filing date
Publication date
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to SI9530256T priority Critical patent/SI0675021T1/en
Publication of EP0675021A2 publication Critical patent/EP0675021A2/en
Publication of EP0675021A3 publication Critical patent/EP0675021A3/en
Application granted granted Critical
Publication of EP0675021B1 publication Critical patent/EP0675021B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/068—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
    • B60Q1/0683—Adjustable by rotation of a screw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors

Definitions

  • the invention relates to a holding device for adjustable reflector of a vehicle headlight, with a resilient holding element through which the reflector with a contact surface to an adjusting element under prestress can be put on, the reflector in a pot-shaped housing is used with which the resilient holding element is connected and which has an opening for receiving the Has adjusting element.
  • Such a holding device for an adjustable The reflector of a vehicle headlight is from DE 23 24 340 known.
  • the headlight has a pot-shaped housing and a translucent one that closes the housing Cover on.
  • a cup-shaped reflector used In the of the cup-shaped housing and the inner lens formed is a cup-shaped reflector used, which by a horizontal and a vertical axis is pivotable. In a distance from the horizontal axis is the back of the Reflector with the bottom of the housing by a resilient Holding element connected.
  • the resilient holding element is one Coil spring, the central axis of which in the direction of insertion Reflector runs into one in the back of the Reflector introduced opening is hooked.
  • the Coil spring is a tension spring and pulls the reflector towards Back of the case.
  • a Adjusting bolt of the adjusting element leads through the opening of the housing and has with its free end in Direction of light emission.
  • the reflector At the free end of the Adjusting bolt is the reflector with an in Direction of insertion of the reflector facing contact surface.
  • the contact surface is formed by a connecting part, which is attached to the outer edge of the reflector. In the connection part is introduced into which the coil spring is hooked.
  • the one serving as a tension spring Coil spring presses the reflector so firmly against the Adjusting bolt of the adjusting element that the reflector in every swivel position is kept rattle-free.
  • An assembly and disassembly of the adjustment element is quick and easy feasible because between the adjusting bolt and the Connection element no self-locking connection, which is often common.
  • the assembly of the Coil spring very cumbersome and time consuming, because the Only then coil spring in the opening of the connecting part of the reflector can be hooked in when the reflector is in the cup-shaped housing is inserted. Hooking the Coil spring is from the front of the headlamp not possible if between the reflector and the Sidewalls of the pot-shaped housing a small gap consists. The hooking of the coil spring is then only through the opening in the bottom of the housing possible.
  • the Opening for the adjusting element is often so small that a It is not possible to hook the coil spring by hand a special assembly device is required is.
  • the object of the invention is that in the preamble of Holding device described for a adjustable reflector of a vehicle headlight like this to design that the resilient holding element before insertion of the reflector on the inside of the pot-shaped housing is attachable and when inserting the reflector in the Pot-shaped housing automatically with the reflector connects.
  • the resilient holding element is rod-shaped is, in its longitudinal extent transverse to the direction of insertion of the Reflector runs, is firmly clamped to the housing and has a free-standing end section, which in a Undercut of the reflector engages self-locking.
  • the housing with a directed against the direction of insertion of the reflector and as a stop for the resilient end section of the holding element serving surface is provided, of which the resilient End section is lifted when the adjusting element is inserted.
  • the holding element resiliently on the stop is present. In such an embodiment, the reflector until the assembly of the adjustment element rattle-free in the Pot-shaped housing held. This is especially then important if the adjustment element is only in the final assembly of the Vehicle is mounted.
  • the contact surface of the reflector is a spherical shell without an undercut, in which one Ball head of the adjusting element engages.
  • the Reflector although the adjustment element continues to be simple and is easy to assemble and disassemble Adjustment element locked transversely to its direction of insertion.
  • the holding element in one Section between its clamping position and its resilient free end section around a transverse to it Longitudinal axis to a coil spring is wrapped.
  • the free end section the holding element because of its high bending stiffness long and thus the clamping point of the resilient holding element in the direction of insertion of the reflector seen at a greater distance from the undercut of the Be arranged reflector.
  • the holding element by a bolt-like fastener on the housing is clamped, the bolt-like fastener grips the holding element with a head and against it Housing presses.
  • the bolt-like fastener is a simple and quick attachment of the holding element possible on the inside of the housing.
  • the resilient holding element consists of a U-shaped curved wire spring, the legs of which are each rod-shaped Are part, record the connecting element between themselves and in each case an undercut of the connecting element intervention.
  • the disassembled Adjustment element a spacer of the housing between the engages both legs of the holding element. That’s it not required that the legs when inserting the Reflector in the pot-shaped housing so far apart need to spring and still the connecting element be clamped very firmly between the two legs.
  • the two legs of the U-shaped holding element on opposite sides each wound in one section to form a coil spring are which to the free end portions of the legs run outside and the coil springs Sections of the legs on the outside of a support element of the Adjacent housing. Because of the two support elements, which the two sections designed as coil springs between them, the force increases is necessary to bend apart the free end sections. It is furthermore expedient if the holding element with the section of the legs adjoining its web is angled towards the bottom of the pot-shaped housing and with the angled section into a recess in the bottom of the housing is inserted and in the recess in Longitudinal extension of the holding element is held.
  • a headlight for vehicles has a plastic existing pot-shaped housing (5), which by a bowl-shaped translucent lens (18) is completed.
  • a gutter of the outer circumferential A seal (19) is inserted on the edge of the housing (5) which the end plate (18) with its outer surrounding edge fits tightly.
  • the headlight is made of plastic cup-shaped reflector (1) used, which by a horizontal axis (20) and a vertical axis (21) is pivotable.
  • the horizontal axis (20) is one stationary joint (22) and a joint, not shown formed, which is between a manually adjustable Adjustment element and the rear of the reflector (1) is arranged.
  • the vertical axis (21) is formed by the fixed joint (22) and a joint (23), which in a distance below the joint (22) and between the Rear of the reflector (1) and a remotely adjustable Adjusting element (4) is arranged. If the Adjustment element (4) pivots the reflector (1) around horizontal axis (20).
  • the joint (23) is one of a spherical shell on the Back of the reflector (1) fastened fastener (11) and a ball head of the adjusting element (4).
  • the connecting element (11) is made of plastic and self-locking with one on the back of the reflector (1) molded projection (24) connected.
  • the Connecting element (11) points in the direction of insertion Seen reflector (1), directly behind the projection (24) Spherical shell, the inside of which is the contact surface (3) for the ball head of the adjusting element (4).
  • the spherical shell has the projection (24) laterally projecting sections, while the side facing the light exit direction Undercut (8) is.
  • the remotely adjustable adjustment element (4) has a cylindrical housing, which from the back of the Housing (5) forth in an opening (6) of the bottom of the housing (5) is inserted like a bayonet.
  • the remotely adjustable Adjusting element (4) has an adjusting bolt (25), which with its free end in the direction of light emission is directed and at its free end the ball head of the Joint (23) carries.
  • the adjustment bolt (25) is in the direction its longitudinal axis axially adjustable.
  • a resilient Holding element (2) which is fixed to the bottom of the housing (5) is clamped, engages in the undercut (8) of the Connecting element (11) self-engaging and presses the to the adjusting element (4) open contact surface (3) Ball socket on the ball head of the adjustment element (4).
  • the resilient holding element (2) consists of spring wire and is seen in the direction of insertion of the reflector (1) U-shaped bent and stretched between the free end portions of its Leg the connecting element (11) firmly between them.
  • approaches (16) formed, which spacers and Fasteners for the holding element (2) are.
  • a first one Approach (26) is sleeve-shaped and serves as Fasteners for a bolt-like fastener (17), which has a U-shaped leg with a head Holding element (2) close to that connecting the legs Ridge (15) overlaps and the legs against the end face of the first approach (26).
  • the holding element (2) Adjacent to the bolt-like fastening element (17) the holding element (2) has a section on both legs, which is about an axis running transversely to the legs a coil spring (13) is bent, the two Coil springs (13) to the free end section (7) of their Leg runs outwards, so that the distance of the free end portions (7) of the holding element (2) to each other is greater than the length of the web (15).
  • the two Coil springs (13) each adjoin a fourth on the outside Approach (29) of the housing (5). This makes both of them Coil springs (13) between the two fourth approaches (29) held.
  • the third attachment (28) has a spacer element (14) serving section, which is between the End portions (7) of the holding element (2) extends.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

The reflector support has a spring rod (2), pressing a bearing surface (3) of the reflector (1) into contact with a setting element (4) and attached to the headlamp housing (5) enclosing the reflector, having an opening (6) for receiving the setting element. The longitudinal axis of the spring rod extends transverse to the setting direction of the reflector, with an end section (7) fitting behind a retaining edge (8) provided by the reflector and cooperating with a stop (9) provided by the headlamp housing.

Description

Die Erfindung betrifft eine Halteeinrichtung für einen verstellbaren Reflektor eines Fahrzeug-Scheinwerfers, mit einem federnden Halteelement, durch welches der Reflektor mit einer Anlagefläche an ein Verstellelement unter Vorspannung anlegbar ist, wobei der Reflektor in ein topfförmiges Gehäuse eingesetzt ist, mit welchem das federnde Halteelement verbunden ist und welches eine Öffnung zur Aufnahme des Verstellelementes aufweist.The invention relates to a holding device for adjustable reflector of a vehicle headlight, with a resilient holding element through which the reflector with a contact surface to an adjusting element under prestress can be put on, the reflector in a pot-shaped housing is used with which the resilient holding element is connected and which has an opening for receiving the Has adjusting element.

Eine solche Halteeinrichtung für einen verstellbaren Reflektor eines Fahrzeug-Scheinwerfers ist aus der DE 23 24 340 bekannt. Der Scheinwerfer weist ein topfförmiges Gehäuse und eine das Gehäuse abschließende lichtdurchlässige Abschlußscheibe auf. In den von dem topfförmigen Gehäuse und der Abschlußscheibe gebildeten Innenraum ist ein schalenförmiger Reflektor eingesetzt, welcher um eine horizontale und eine vertikale Achse verschwenkbar ist. In einem Abstand zur horizontalen Achse ist die Rückseite des Reflektors mit dem Boden des Gehäuses durch ein federndes Halteelement verbunden. Das federnde Halteelement ist eine Schraubenfeder, deren Mittelachse in Einsetzrichtung des Reflektors verläuft und in eine in die Rückseite des Reflektors eingebrachte Öffnung eingehakt ist. Die Schraubenfeder ist eine Zugfeder und zieht den Reflektor zur Rückseite des Gehäuses hin. Nahe der Schraubenfeder ist in den Boden des topfförmigen Gehäuses eine Öffnung eingebracht, welche zur Aufnahme eines fernverstellbaren Verstellelementes dient, durch welche der Reflektor um die horizontale Achse schwenkbar ist. Das Verstellelement ist zylinderförmig gestaltet und steht von der Rückseite des Gehäuses ab. Ein Verstellbolzen des Verstellelementes führt durch die Öffnung des Gehäuses hindurch und weist mit seinem freien Ende in Lichtaustrittsrichtung. An dem freien Ende des Verstellbolzens liegt der Reflektor mit einer in Einsetzrichtung des Reflektors gerichteten Anlagefläche an. Die Anlagefläche ist von einem Verbindungsteil gebildet, welches an dem äußeren Rand des Reflektors befestigt ist. In dem Verbindungsteil ist die Öffnung eingebracht, in welche die Schraubenfeder eingehakt ist. Die als Zugfeder dienende Schraubenfeder drückt den Reflektor so fest gegen den Verstellbolzen des Verstellelementes, daß der Reflektor in jeder Schwenkstellung klapperfrei gehalten ist. Eine Montage und Demontage des Verstellelementes ist einfach und schnell durchführbar, da zwischen dem Verstellbolzen und dem Verbindungselement keine selbstrastende Verbindung, welche oftmals üblich ist, besteht. Jedoch ist die Montage der Schraubenfeder sehr umständlich und zeitaufwendig, da die Schraubenfeder erst dann in die Öffnung des Verbindungsteils des Reflektors eingehakt werden kann, wenn der Reflektor in das topfförmige Gehäuse eingesetzt ist. Das Einhaken der Schraubenfeder ist von der Vorderseite des Scheinwerfers her nicht möglich wenn zwischen dem Reflektor und den Seitenwänden des topfförmigen Gehäuses ein kleiner Spalt besteht. Das Einhaken der Schraubenfeder ist dann nur durch die Öffnung im Boden des Gehäuses hindurch möglich. Die Öffnung für das Verstellelement ist oftmals so klein, daß ein Einhaken der Schraubenfeder von Hand nicht möglich ist, sondern dafür eine spezielle Montagevorrichtung notwendig ist.Such a holding device for an adjustable The reflector of a vehicle headlight is from DE 23 24 340 known. The headlight has a pot-shaped housing and a translucent one that closes the housing Cover on. In the of the cup-shaped housing and the inner lens formed is a cup-shaped reflector used, which by a horizontal and a vertical axis is pivotable. In a distance from the horizontal axis is the back of the Reflector with the bottom of the housing by a resilient Holding element connected. The resilient holding element is one Coil spring, the central axis of which in the direction of insertion Reflector runs into one in the back of the Reflector introduced opening is hooked. The Coil spring is a tension spring and pulls the reflector towards Back of the case. Near the coil spring is in an opening is made in the bottom of the pot-shaped housing, which for receiving a remotely adjustable adjustment element serves by which the reflector around the horizontal axis is pivotable. The adjustment element is cylindrical designed and stands out from the back of the case. A Adjusting bolt of the adjusting element leads through the opening of the housing and has with its free end in Direction of light emission. At the free end of the Adjusting bolt is the reflector with an in Direction of insertion of the reflector facing contact surface. The contact surface is formed by a connecting part, which is attached to the outer edge of the reflector. In the connection part is introduced into which the coil spring is hooked. The one serving as a tension spring Coil spring presses the reflector so firmly against the Adjusting bolt of the adjusting element that the reflector in every swivel position is kept rattle-free. An assembly and disassembly of the adjustment element is quick and easy feasible because between the adjusting bolt and the Connection element no self-locking connection, which is often common. However, the assembly of the Coil spring very cumbersome and time consuming, because the Only then coil spring in the opening of the connecting part of the reflector can be hooked in when the reflector is in the cup-shaped housing is inserted. Hooking the Coil spring is from the front of the headlamp not possible if between the reflector and the Sidewalls of the pot-shaped housing a small gap consists. The hooking of the coil spring is then only through the opening in the bottom of the housing possible. The Opening for the adjusting element is often so small that a It is not possible to hook the coil spring by hand a special assembly device is required is.

Aufgabe der Erfindung ist es, die im Oberbegriff des Anspruchs 1 beschriebene Halteeinrichtung für einen verstellbaren Reflektor eines Fahrzeug-Scheinwerfers derart zu gestalten, daß das federnde Halteelement vor dem Einsetzen des Reflektors an der Innenseite des topfförmigen Gehäuses befestigbar ist und beim Einsetzen des Reflektors in das topfförmige Gehäuse sich selbsttätig mit dem Reflektor verbindet. Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß das federnde Halteelement stabförmig ausgeführt ist, in seiner Längsausdehnung quer zur Einsetzrichtung des Reflektors verläuft, an dem Gehäuse fest eingespannt ist und einen freistehenden Endabschnitt aufweist, welcher in eine Hinterschneidung des Reflektors selbstrastend eingreift.The object of the invention is that in the preamble of Holding device described for a adjustable reflector of a vehicle headlight like this to design that the resilient holding element before insertion of the reflector on the inside of the pot-shaped housing is attachable and when inserting the reflector in the Pot-shaped housing automatically with the reflector connects. This object is achieved according to the invention solved that the resilient holding element is rod-shaped is, in its longitudinal extent transverse to the direction of insertion of the Reflector runs, is firmly clamped to the housing and has a free-standing end section, which in a Undercut of the reflector engages self-locking.

Weiterhin ist es vorteilhaft, wenn das Gehäuse mit einer entgegen der Einsetzrichtung des Reflektors gerichteten und als Anschlag für den federnden Endabschnitt des Halteelements dienenden Fläche versehen ist, von welcher der federnde Endabschnitt bei eingesetztem Verstellelement abgehoben ist. Dadurch stützt sich der freie Endabschnitt des Halteelementes beim Einsetzen des Reflektors in das topfartige Gehäuse an dem Anschlag ab bis der freie Endabschnitt in die Hinterschneidung des Reflektors selbstrastend eingreift. Hierbei ist es zweckmäßig, wenn bei demontiertem Verstellelement das Halteelement federnd an dem Anschlag anliegt. Bei einer solchen Ausgestaltung ist der Reflektor bis zur Montage des Verstellelementes klapperfrei in dem topfförmigen Gehäuse gehalten. Dies ist besonders dann wichtig, wenn das Verstellelement erst in der Endmontage des Fahrzeuges montiert wird. In diesem Zusammenhang ist es weiterhin vorteilhaft, wenn die Anlagefläche des Reflektors eine Kugelschale ohne Hinterschneidung ist, in welche ein Kugelkopf des Verstellelementes eingreift. Hierbei ist der Reflektor, obwohl das Verstellelement weiterhin einfach und leicht montierbar und demontierbar ist, an dem Verstellelement quer zu seiner Einsetzrichtung arretiert.It is also advantageous if the housing with a directed against the direction of insertion of the reflector and as a stop for the resilient end section of the holding element serving surface is provided, of which the resilient End section is lifted when the adjusting element is inserted. This supports the free end section of the holding element when inserting the reflector into the pot-like housing from the stop until the free end section in the Undercut of the reflector engages self-locking. It is useful if when dismantled Adjustment element, the holding element resiliently on the stop is present. In such an embodiment, the reflector until the assembly of the adjustment element rattle-free in the Pot-shaped housing held. This is especially then important if the adjustment element is only in the final assembly of the Vehicle is mounted. In this context it is further advantageous if the contact surface of the reflector is a spherical shell without an undercut, in which one Ball head of the adjusting element engages. Here is the Reflector, although the adjustment element continues to be simple and is easy to assemble and disassemble Adjustment element locked transversely to its direction of insertion.

Vorteilhaft ist es weiterhin, wenn die Rückseite des Reflektors mit einer schräg zur Einsetzrichtung des Reflektors verlaufenden Auflauffläche für den federnden Arm des Halteelement versehen ist. Beim Einsetzen des Reflektors gleitet das Halteelement mit seinem federnden freien Endabschnitt an der Auflauffläche des Reflektors entlang bis der Endabschnitt selbstrastend in die Hinterschneidung des Reflektors eingreift.It is also advantageous if the back of the Reflector with an oblique to the direction of insertion Reflective running surface for the resilient arm of the holding element is provided. When inserting the reflector slides the holding element with its resilient free End section along the run-up surface of the reflector to the end section self-locking into the undercut of the Intervenes.

Ein weiterer Vorteil ist es, wenn an der Rückseite des Reflektors ein Verbindungselement befestigt ist, welches die für das Verstellelement dienende Anlagefläche und die für das Halteelement dienende Auflagefläche und Hinterschneidung aufweist. Ein solches separates Verbindungselement kann aus Kunststoff bestehen und zu seiner Herstellung müssen keine zusätzlichen verstellbaren Werkzeuge notwendig sein.Another benefit is when at the back of the Reflector a fastener is attached, which the for the adjustment element serving contact surface and for the Supporting surface and undercut having. Such a separate connecting element can consist of There are no plastics and there is no need to manufacture them additional adjustable tools may be necessary.

Zudem ist es vorteilhaft, wenn das Halteelement in einem Abschnitt zwischen seiner einspannenden Stelle und seinem federnden freien Endabschnitt um eine quer zu seiner Längsausdehnung verlaufende Achse zu einer Schraubenfeder gewickelt ist. Dadurch kann das stabförmige Halteelement bis auf den als Schraubenfeder ausgeführten Abschnitt biegesteif sein. Trotzdem ist bei einer kleinen Verstellkraft des Verstellelementes ein großer Verstellweg des federnden Endabschnittes möglich. Außerdem kann der freie Endabschnitt des Halteelementes wegen seiner hohen Biegesteifigkeit sehr lang ausgeführt sein und somit kann die Einspannstelle des federnden Halteelements in Einsetzrichtung des Reflektors gesehen in einem größeren Abstand zu der Hinterschneidung des Reflektors angeordnet sein.It is also advantageous if the holding element in one Section between its clamping position and its resilient free end section around a transverse to it Longitudinal axis to a coil spring is wrapped. This allows the rod-shaped holding element to rigid on the section designed as a coil spring be. Nevertheless, with a small adjustment force Adjusting element a large adjustment path of the resilient End section possible. In addition, the free end section the holding element because of its high bending stiffness long and thus the clamping point of the resilient holding element in the direction of insertion of the reflector seen at a greater distance from the undercut of the Be arranged reflector.

Außerdem ist es vorteilhaft, wenn das Halteelement durch ein bolzenartiges Befestigungselement an dem Gehäuse fest eingespannt ist, wobei das bolzenartige Befestigungselement mit einem Kopf das Halteelement übergreift und gegen das Gehäuse drückt. Durch das bolzenartige Befestigungselement ist eine einfache und schnelle Befestigung des Halteelementes an der Innenseite des Gehäuses möglich.It is also advantageous if the holding element by a bolt-like fastener on the housing is clamped, the bolt-like fastener grips the holding element with a head and against it Housing presses. Through the bolt-like fastener is a simple and quick attachment of the holding element possible on the inside of the housing.

Bei einer besonders vorteilhaften Weiterbildung der Erfindung besteht das federnde Halteelement aus einer U-förmig gebogenen Drahtfeder, deren Schenkel jeweils ein stabförmiges Teil sind, das Verbindungselement zwischen sich aufnehmen und in jeweils eine Hinterschneidung des Verbindungselements eingreifen. Bei einer solchen Ausgestaltung ist die zwischen dem Halteelement und dem Reflektor bestehende selbstrastende Verbindung sehr sicher gegenüber einem ungewollten Lösen. Hierbei ist es weiterhin zweckmäßig, wenn bei demontiertem Verstellelement ein Abstandselement des Gehäuses zwischen die beiden Schenkel des Halteelementes eingreift. Dadurch ist es nicht erforderlich, daß die Schenkel beim Einsetzen des Reflektors in das topfförmige Gehäuse soweit auseinander federn müssen und trotzdem kann das Verbindungselement zwischen den beiden Schenkeln sehr fest eingespannt sein.In a particularly advantageous development of the invention the resilient holding element consists of a U-shaped curved wire spring, the legs of which are each rod-shaped Are part, record the connecting element between themselves and in each case an undercut of the connecting element intervention. With such a configuration, the is between the holding element and the reflector existing self-locking Connection very secure against unwanted loosening. It is also useful if the disassembled Adjustment element a spacer of the housing between the engages both legs of the holding element. That’s it not required that the legs when inserting the Reflector in the pot-shaped housing so far apart need to spring and still the connecting element be clamped very firmly between the two legs.

Weiterhin ist es vorteilhaft, wenn die beiden Schenkel des U-förmigen Halteelements auf sich gegenüberliegenden Seiten jeweils in einem Abschnitt zu einer Schraubenfeder gewickelt sind, welche zu den freien Endabschnitten der Schenkel nach außen hin verlaufen und die als Schraubenfedern ausgeführten Abschnitte der Schenkel außen an einem Abstützelement des Gehäuses angrenzen. Wegen den beiden Abstützelementen, welche die beiden als Schraubenfedern ausgeführten Abschnitte zwischen sich aufnehmen, vergrößert sich die Kraft, welche zum Auseinanderbiegen der freien Endabschnitte notwendig ist. Hierbei ist es weiterhin zweckmäßig, wenn das Halteelement mit den an seinen Steg angrenzenden Abschnitt der Schenkel zum Boden des topfförmigen Gehäuses hin abgewinkelt ist und mit dem abgewinkelten Abschnitt in eine Ausnehmung des Bodens des Gehäuses eingeschoben ist und in der Ausnehmung in Längsausdehnung des Halteelementes gehalten ist. Dadurch muß das bolzenartige Befestigungselement das Halteelemente lediglich in Einsetzrichtung des Reflektors halten. Die außen an die Ausnehmung angrenzenden Abschnitte der Schenkel sollten einen so kleinen Abstand zueinander aufweisen, daß das bolzenartige Befestigungselement zwischen ihnen noch hindurchführbar ist und mit einem Kopf die Schenkel übergreift und die Schenkel gegen den Boden des topfförmigen Gehäuses drückt.It is also advantageous if the two legs of the U-shaped holding element on opposite sides each wound in one section to form a coil spring are which to the free end portions of the legs run outside and the coil springs Sections of the legs on the outside of a support element of the Adjacent housing. Because of the two support elements, which the two sections designed as coil springs between them, the force increases is necessary to bend apart the free end sections. It is furthermore expedient if the holding element with the section of the legs adjoining its web is angled towards the bottom of the pot-shaped housing and with the angled section into a recess in the bottom of the housing is inserted and in the recess in Longitudinal extension of the holding element is held. This must the bolt-like fastener the holding elements hold only in the direction of insertion of the reflector. The outside sections of the legs adjoining the recess should be so close to each other that the bolt-like fastener between them still can be passed through and with a head the legs engages and the legs against the bottom of the pot-shaped Housing presses.

Darüber hinaus ist es weiterhin vorteilhaft, wenn vom Boden des topfförmigen Gehäuses zum Inneren des Scheinwerfers hin Ansätze hervorstreben, welche als Distanzstücke für das Halteelement dienen. Hierbei ist es vorteilhaft, wenn ein erster Ansatz hülsenförmig ausgeführt und die Befestigungsstelle für das bolzenartige Befestigungselement ist, zwei zweite Ansätze die Ausnehmung bilden, in welche das Halteelement mit dem den Steg aufweisenden Abschnitt angeschoben ist, ein dritter Ansatz mit seiner Stirnfläche der Anschlag für die freien Endabschnitte des Halteelementes ist und zwei vierte Ansätze das Abstützteil für die als Schraubenfeder ausgeführten Abschnitte sind.In addition, it is still advantageous if off the floor of the cup-shaped housing towards the interior of the headlight Strive for approaches that are used as spacers for the Serve holding element. It is advantageous if a first approach sleeve-shaped and the Fastening point for the bolt-like fastener is, two second approaches form the recess into which the Holding element with the section having the web is pushed, a third approach with its end face the stop for the free end sections of the holding element is and two fourth approaches the support part for the as Coil spring sections are.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt, und zwar zeigen

Figur 1
einen vertikalen Längsschnitt durch einen Scheinwerfer für Fahrzeuge mit einer Halteeinrichtung für einen verstellbaren Reflektor, welcher durch die Halteeinrichtung mit einem Verstellelement zusammenwirkt;
Figur 2
den vertikalen Längsschnitt der Figur 1 ohne das Verstellelement;
Figur 3
einen Schnitt nach der Linie A-A in Figur 1;
Figur 4
eine Ansicht aus Richtung x in Figur 2 und
Figur 5
einen Schnitt nach der Linie B-B in Figur 4.
An embodiment of the invention is shown in the drawings, namely show
Figure 1
a vertical longitudinal section through a headlight for vehicles with a holding device for an adjustable reflector, which cooperates with an adjusting element by the holding device;
Figure 2
the vertical longitudinal section of Figure 1 without the adjusting element;
Figure 3
a section along the line AA in Figure 1;
Figure 4
a view from the direction x in Figure 2 and
Figure 5
a section along the line BB in Figure 4.

Ein Scheinwerfer für Fahrzeuge weist ein aus Kunststoff bestehendes topfförmiges Gehäuse (5) auf, welches durch eine schalenförmige lichtdurchlässige Abschlußscheibe (18) abgeschlossen ist. In einer Rinne des äußeren umlaufenden Randes des Gehäuses (5) ist eine Dichtung (19) eingesetzt, an welcher die Abschlußscheibe (18) mit ihrem äußeren umlaufenden Rand dicht anliegt. In den von dem topfförmigen Gehäuse (5) und der Abschlußscheibe (18) gebildeten Innenraum des Scheinwerfers ist ein aus Kunststoff hergestellter schalenförmigen Reflektor (1) eingesetzt, welcher um eine horizontale Achse (20) und eine vertikale Achse (21) schwenkbar ist. Die horizontale Achse (20) wird von einem ortsfesten Gelenk (22) und einem nicht dargestellten Gelenk gebildet, welches zwischen einem von Hand verstellbaren Verstellelement und der Rückseite des Reflektors (1) angeordnet ist. Die vertikale Achse (21) wird gebildet von dem ortsfesten Gelenk (22) und einem Gelenk (23), welches in einem Abstand unterhalb des Gelenkes (22) und zwischen der Rückseite des Reflektors (1) und einem fernverstellbaren Verstellelement (4) angeordnet ist. Bei einem Verstellen des Verstellelementes (4) schwenkt der Reflektor (1) um die horizontale Achse (20).A headlight for vehicles has a plastic existing pot-shaped housing (5), which by a bowl-shaped translucent lens (18) is completed. In a gutter of the outer circumferential A seal (19) is inserted on the edge of the housing (5) which the end plate (18) with its outer surrounding edge fits tightly. In the of the pot-shaped Housing (5) and the end plate (18) formed interior the headlight is made of plastic cup-shaped reflector (1) used, which by a horizontal axis (20) and a vertical axis (21) is pivotable. The horizontal axis (20) is one stationary joint (22) and a joint, not shown formed, which is between a manually adjustable Adjustment element and the rear of the reflector (1) is arranged. The vertical axis (21) is formed by the fixed joint (22) and a joint (23), which in a distance below the joint (22) and between the Rear of the reflector (1) and a remotely adjustable Adjusting element (4) is arranged. If the Adjustment element (4) pivots the reflector (1) around horizontal axis (20).

Das Gelenk (23) ist von einer Kugelschale eines an der Rückseite des Reflektors (1) befestigten Verbindungselementes (11) und einem Kugelkopf des Verstellelementes (4) gebildet. Das Verbindungselement (11) ist aus Kunststoff hergestellt und selbstrastend mit einem an die Rückseite des Reflektors (1) angeformten Vorsprung (24) verbunden. Das Verbindungselement (11) weist in Einsetzrichtung des Reflektors (1) gesehen, direkt hinter dem Vorsprung (24) die Kugelschale auf, dessen Innenseite die Anlagefläche (3) für den Kugelkopf des Verstellelementes (4) ist. Die Kugelschale weist den Vorsprung (24) seitlich überragende Abschnitte auf, während die in Lichtaustrittsrichtung gerichtete Seite die Hinterschneidung (8) ist. Zwischen der Anlagefläche (3) der Kugelschale und der Hinterschneidung (8) weist das Verbindungselement (11) schräg zur Einsetzrichtung verlaufende und zum Boden des topfartigen Gehäuses (5) hin gerichtete Auflaufflächen (10) auf. Die Anlagefläche (3) der Kugelschale des Verbindungselementes (11) weist zum Boden des Gehäuses (5) hin keine Hinterschneidung auf, so daß das Verstellelement (4) mit seinem Kugelkopf leicht und einfach in die Kugelschale einsetzbar und aus dieser herausnehmbar ist. Das fernverstellbare Verstellelement (4) weist ein zylindrisches Gehäuse auf, welches von der Rückseite des Gehäuses (5) her in eine Öffnung (6) des Bodens des Gehäuses (5) bajonettartig eingesetzt ist. Das fernverstellbare Verstellelement (4) weist einen Verstellbolzen (25) auf, welcher mit seinem freien Ende in Lichtaustrittsrichtung gerichtet ist und an seinem freien Ende den Kugelkopf des Gelenkes (23) trägt. Der Verstellbolzen (25) ist in Richtung seiner Längsachse axial verstellbar. Ein federndes Halteelement (2), welches an dem Boden des Gehäuses (5) fest eingespannt ist, greift in die Hinterschneidung (8) des Verbindungselementes (11) selbstrastend ein und drückt die zum Verstellelement (4) hin offene Anlagefläche (3) der Kugelschale an den Kugelkopf des Verstellelementes (4).The joint (23) is one of a spherical shell on the Back of the reflector (1) fastened fastener (11) and a ball head of the adjusting element (4). The connecting element (11) is made of plastic and self-locking with one on the back of the reflector (1) molded projection (24) connected. The Connecting element (11) points in the direction of insertion Seen reflector (1), directly behind the projection (24) Spherical shell, the inside of which is the contact surface (3) for the ball head of the adjusting element (4). The spherical shell has the projection (24) laterally projecting sections, while the side facing the light exit direction Undercut (8) is. Between the contact surface (3) Ball socket and the undercut (8) shows that Connecting element (11) obliquely to the direction of insertion running and towards the bottom of the pot-like housing (5) directed ramp surfaces (10). The contact surface (3) of the Ball shell of the connecting element (11) faces the bottom of the Housing (5) no undercut, so that Adjusting element (4) with its ball head light and simple can be inserted into and removed from the spherical shell is. The remotely adjustable adjustment element (4) has a cylindrical housing, which from the back of the Housing (5) forth in an opening (6) of the bottom of the housing (5) is inserted like a bayonet. The remotely adjustable Adjusting element (4) has an adjusting bolt (25), which with its free end in the direction of light emission is directed and at its free end the ball head of the Joint (23) carries. The adjustment bolt (25) is in the direction its longitudinal axis axially adjustable. A resilient Holding element (2), which is fixed to the bottom of the housing (5) is clamped, engages in the undercut (8) of the Connecting element (11) self-engaging and presses the to the adjusting element (4) open contact surface (3) Ball socket on the ball head of the adjustment element (4).

Das federnde Halteelement (2) besteht aus Federdraht und ist in Einsetzrichtung des Reflektors (1) gesehen U-förmig gebogen und spannt zwischen den freien Endabschnitten seiner Schenkel das Verbindungselement (11) fest zwischen sich ein. An der Innenseite des Bodens des topfförmigen Gehäuses (5) sind Ansätze (16) angeformt, welche Distanzstücke und Befestigungsmittel für das Halteelement (2) sind. Ein erster Ansatz (26) ist hülsenförmig ausgeführt und dient als Befestigungsmittel für ein bolzenartiges Befestigungselement (17), welches mit einem Kopf die Schenkel des U-förmigen Halteelementes (2) nahe neben dem die Schenkel verbindenden Steg (15) übergreift und die Schenkel gegen die Stirnfläche des ersten Ansatzes (26) andrückt. Zwischen dem bolzenartigen Befestigungselement (17) und dem Steg (15) ist das Halteelement (2) mit einem Abschnitt um eine quer zu den Schenkeln verlaufende Biegeachse zur Rückseite des Scheinwerfers hin gebogen und in eine zwischen zwei zweiten Ansätzen (27) des Bodens des Gehäuses (5) bestehende Ausnehmung klemmend eingeschoben. Einer der beiden zweiten Ansätze (27) ragt zwischen beiden Schenkel des Haltelementes (2) hindurch. Somit ist das Halteelement (2) im Bereich seines Steges (15) durch die beiden Ansätze (27) quer zur Einsetzrichtung des Reflektors (1) arretiert. Durch das bolzenartige Befestigungselement (17), welches eine Schraube ist, ist das Halteelement (2) lediglich in Einsetzrichtung des Reflektors (1) an dem Boden des Gehäuses (5) arretiert. Angrenzend an das bolzenartige Befestigungselement (17) weist das Halteelement (2) an beiden Schenkeln einen Abschnitt auf, welcher um eine quer zu den Schenkeln verlaufende Achse zu einer Schraubenfeder (13) gebogen ist, wobei die beiden Schraubenfedern (13) zum freien Endabschnitt (7) ihres Schenkels hin nach außen hin verläuft, so daß der Abstand der freien Endabschnitte (7) des Halteelementes (2) zueinander größer ist als die Länge des Stegs (15). Die beiden Schraubenfedern (13) grenzen außen jeweils an einen vierten Ansatz (29) des Gehäuses (5) an. Dadurch sind beide Schraubenfedern (13) zwischen den beiden vierten Ansätzen (29) gehalten. Zwischen den beiden Schraubenfedern (13) des Halteelementes (2) und dem Gelenk (23) ist an den Boden des Gehäuses (5) ein dritter Ansatz (28 angeformt, dessen Stirnfläche als Anschlag (9) für die freien Endabschnitte (7) des Halteelementes (2) dient. Das Halteelement (2) liegt nur an den Anschlägen an, wenn das Verstellelement (4) demontiert ist.The resilient holding element (2) consists of spring wire and is seen in the direction of insertion of the reflector (1) U-shaped bent and stretched between the free end portions of its Leg the connecting element (11) firmly between them. On the inside of the bottom of the pot-shaped housing (5) are approaches (16) formed, which spacers and Fasteners for the holding element (2) are. A first one Approach (26) is sleeve-shaped and serves as Fasteners for a bolt-like fastener (17), which has a U-shaped leg with a head Holding element (2) close to that connecting the legs Ridge (15) overlaps and the legs against the end face of the first approach (26). Between the bolt-like Fastening element (17) and the web (15) is that Holding element (2) with a section around a transverse to the Leg extending bending axis to the back of the Headlights bent and into one between two second ones Approaches (27) of the bottom of the housing (5) existing Recessively inserted recess. One of the second two Lugs (27) protrude between the two legs of the holding element (2) through. Thus, the holding element (2) is in the area of its web (15) through the two approaches (27) transverse to Direction of insertion of the reflector (1) locked. By the bolt-like fastener (17), which is a screw is, the holding element (2) is only in the direction of insertion of the reflector (1) on the bottom of the housing (5) locked. Adjacent to the bolt-like fastening element (17) the holding element (2) has a section on both legs, which is about an axis running transversely to the legs a coil spring (13) is bent, the two Coil springs (13) to the free end section (7) of their Leg runs outwards, so that the distance of the free end portions (7) of the holding element (2) to each other is greater than the length of the web (15). The two Coil springs (13) each adjoin a fourth on the outside Approach (29) of the housing (5). This makes both of them Coil springs (13) between the two fourth approaches (29) held. Between the two coil springs (13) of the Holding element (2) and the joint (23) is at the bottom of the Housing (5) formed a third approach (28, the End face as a stop (9) for the free end sections (7) the holding element (2) is used. The holding element (2) is only to the stops when the adjustment element (4) is removed is.

Der dritte Ansatz (28) weist einen als Abstandselement (14) dienenden Abschnitt auf, welcher sich zwischen die Endabschnitte (7) des Halteelementes (2) erstreckt. The third attachment (28) has a spacer element (14) serving section, which is between the End portions (7) of the holding element (2) extends.

BezugszeichenlisteReference list Halteeinrichtung für einen verstellbaren Reflektor eines Fahrzeug-ScheinwerfersHolding device for an adjustable reflector Vehicle headlights

11
Reflektorreflector
22nd
HalteelementHolding element
33rd
AnlageflächeContact surface
44th
VerstellelementAdjustment element
55
Gehäusecasing
66
Öffnungopening
77
EndabschnittEnd section
88th
HinterschneidungUndercut
99
Anschlagattack
1010th
AuflaufflächeRamp area
1111
VerbindungselementFastener
1212th
EinspannstelleClamping point
1313
SchraubenfederCoil spring
1414
AbstandselementSpacer
1515
Stegweb
1616
Ansätzeapproaches
1717th
BefestigungselementFastener
1818th
AbschlußscheibeCover lens
1919th
Dichtungpoetry
2020th
horizontale Achsehorizontal axis
2121
vertikale Achsevertical axis
2222
Gelenkjoint
2323
Gelenkjoint
2424th
Vorsprunghead Start
2525th
VerstellbolzenAdjustment bolt
2626
erster Ansatzfirst approach
2727
zweiter Ansatzsecond approach
2828
dritter Ansatzthird approach
2929
vierter Ansatzfourth approach

Claims (10)

  1. Holder device for an adjustable reflector (1) of a vehicle headlamp, having a resilient holding element (2) by means of which the reflector (1) can be made to bear under pre-load with a bearing surface (3) against an adjustment element (4), the reflector (1) being inserted in a pot shaped housing (5) to which the resilient holding element (2) is connected and which has an opening (6) to receive the adjustment element (4), characterised in that the resilient holding element (2) is made rod shaped, extends by its longitudinal reach transversely with respect to the insertion direction of the reflector (1), is securely clamped to the housing (5), and has a self supporting end section (7) which engages and self latches with an undercut (8) of the reflector (1).
  2. Holder device according to claim 1, characterised in that the housing (5) is provided with a surface which is directed in a direction opposite to the insertion direction of the reflector (1) and which serves as an abutment (9) for the free end section (7) of the holding element (2), the free end section (7), with the adjustment element (4) inserted, being lifted free of the said surface.
  3. Holder device according to claim 1 or 2, characterised in that the back of the reflector (1) is provided with a ramp surface (10) for the free end section (7) of the holding element (2), the ramp surface(10) extending at an inclination with respect to the insertion direction of the reflector (1).
  4. Holder device according to one of claims 1 to 3, characterised in that a connecting element (11) is secured to the back of the reflector (1), the connecting element (11) having the bearing surface (3) that serves for the adjustment element (4), and the ramp surface (10) that serves for the holding element (2), and the undercut (8).
  5. Holder device according to one of claims 1 to 4, characterised in that the holding element (2) is wound into the form of a helical spring (13) at a section between its clamping location (12) and its free resilient end section (7) about an axis that extends transversely with respect to its longitudinal reach.
  6. Holder device according to one of the preceding claims, characterised in that the resilient holding element (2) is securely clamped to the housing (5) by a stud like securing element (17), the stud like securing element (17) with its head reaching over the holding element (2) and pressing against the housing (5).
  7. Holder device according to one of claims 1 to 6, characterised in that the resilient holding element (2) consists of a wire spring bent into U-shape whose limbs are each a rod shaped part which receive the connecting element (11) between them, and each engaging in an undercut (8) of the connecting element (11).
  8. Holder device according to claim 7, characterised in that, with the adjustment element (11) disassembled, a spacer element (14) of the housing (5) engages between the two limbs of the holding element (2).
  9. Holder device according to claim 7 or 8, characterised in that the two limbs of the U-shaped holding element (2) are wound at mutually opposite sides, in respective sections, into the form of a helical spring (13), which extend outwardly towards the free end sections (7) of the limbs, and which towards the outside respectively adjoin a support element of the housing (5).
  10. Holder device according to one of the preceding claims, characterised in that projections (26, 27, 28, 29) jut out from the base of the pot shaped housing (5) towards the interior of the headlamp and constitute distance pieces and/or securing means for the holding element (2).
EP95104276A 1994-03-30 1995-03-23 Adjustable reflector fination device for a vehicle headlamp Expired - Lifetime EP0675021B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530256T SI0675021T1 (en) 1994-03-30 1995-03-23 Adjustable reflector fination device for a vehicle headlamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4411014 1994-03-30
DE4411014A DE4411014C1 (en) 1994-03-30 1994-03-30 Holding device for an adjustable reflector of a vehicle headlight

Publications (3)

Publication Number Publication Date
EP0675021A2 EP0675021A2 (en) 1995-10-04
EP0675021A3 EP0675021A3 (en) 1996-03-20
EP0675021B1 true EP0675021B1 (en) 1999-06-16

Family

ID=6514224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104276A Expired - Lifetime EP0675021B1 (en) 1994-03-30 1995-03-23 Adjustable reflector fination device for a vehicle headlamp

Country Status (6)

Country Link
EP (1) EP0675021B1 (en)
AT (1) ATE181291T1 (en)
CZ (1) CZ282989B6 (en)
DE (2) DE4411014C1 (en)
ES (1) ES2132454T3 (en)
SI (1) SI0675021T1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19810480B4 (en) * 1998-03-11 2005-08-18 Bayerische Motoren Werke Ag Vehicle headlight with an adjustable reflector
DE29912869U1 (en) * 1999-07-23 1999-09-16 Hella Kg Hueck & Co, 59557 Lippstadt Vehicle headlights
DE10308988A1 (en) * 2003-03-01 2004-10-21 Hella Kg Hueck & Co. Swivel beam vehicle headlamp with adjustable lighting module, includes long spring section support with local compensator
EP1762429B1 (en) 2005-09-07 2011-11-09 Hella KGaA Hueck & Co. Fastening device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324340C3 (en) * 1973-05-14 1985-03-14 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Device for adjusting the inclination of vehicle headlights
FR2244345A5 (en) * 1973-09-13 1975-04-11 Peugeot & Renault
US4660128A (en) * 1986-03-17 1987-04-21 Gte Products Corporation Motor vehicle lighting assembly
IT1237738B (en) * 1989-12-22 1993-06-15 Carello Spa LIGHTING APPARATUS.

Also Published As

Publication number Publication date
DE4411014C1 (en) 1995-05-04
SI0675021T1 (en) 1999-10-31
ES2132454T3 (en) 1999-08-16
CZ78295A3 (en) 1995-12-13
DE59506195D1 (en) 1999-07-22
EP0675021A2 (en) 1995-10-04
ATE181291T1 (en) 1999-07-15
CZ282989B6 (en) 1997-12-17
EP0675021A3 (en) 1996-03-20

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